<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<style>
    .box1{
        height: 510px; width: 510px;border: 5px solid red;  background-color: aquamarine;padding: 50px;

    }
    .box{
        height: 500px; width: 500px;
        background-color: aquamarine;
        background-image: url(lanse.png),url(lanse.png),url(lanse.png),url(lanse.png),url(zise.png);
        background-position: left top,right top,left bottom,right bottom,center;
        background-repeat: no-repeat;
        background-size: 16%;
        margin-top: 5px; margin-left: 5px;
       
    } 
   .shabi{
    background-color: red;height: 400px; height: 400px;
   }


   
</style>
<body>
   <div class="box1">

        <div class="box" style="text-align: center; line-height: 400px;">

                我是一个兵，爱护老百姓
    
        </div>

   </div>
 
</body>
</html>